Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 41, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Aug 17, 1987, 7:09 PM CDT for Howard County, Sherman County, Nebraska. It was in force for 51 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 17, 1987, 7:09 PM CDT (00:09 UTC)
- Expired
- Aug 17, 1987, 8:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Howard County, NE, Sherman County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 17, 7:10 PM CDT | Hail 1 | Sherman, NE | |
| Aug 17, 7:35 PM CDT | Hail 0.75 | Howard, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 155 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 6 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 3367 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 17, 6:47 PM CDT, 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 635 PM CDT MON AUG 17 1987 ...SEVERE THUNDERSTORM WARNING IN EFFECT FOR SOUTHWEST GREELEY... NORTHERN HOWARD...NORTHEAST SHERMAN...AND SOUTHEAST VALLEY COUNTY UNTIL 7 PM CDT... AT 6 35 PM CDT A SEVERE THUNDERSTORM WAS LOCATED IN CENTRAL NEBRASKA 35 MILES NOTHWEST OF GRAND ISLAND AT THE JUNCTIONS OF GREELEY SHERMAN..HOWARD AND VALLEY COUNTIES. IT WAS MOVING TOWARD THE EAST SOUTHEAST AT 25 MPH AND MY PRODUCE DAMAGING WIND AND LARGE HAIL. OTHER THUNDERSHOWERS WERE SCATTERED FROM CENTRAL NEBRASKA INTO THE NORTHEAST PART OF THE STATE AND IN SOUTHWEST NEBRASKA TO THE WEST AND SOUTHWEST OF HOLDRE)DGE.
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 7:33 PM CDT | Severe Thunderstorm Warning | GID | Hall, Hamilton, Merrick | 57 min |
| Aug 17, 7:33 PM CDT | Severe Thunderstorm Warning | GID | Howard | 57 min |
| Aug 17, 7:51 PM CDT | Tornado Warning | GID | Hall | 24 min |
| Aug 17, 8:13 PM CDT | Tornado Warning | GID | Hamilton | 27 min |
| Aug 17, 8:48 PM CDT | Severe Thunderstorm Warning | GID | Hamilton | 27 min |
| Aug 17, 9:03 PM CDT | Tornado Warning | GID | Clay, Fillmore | 27 min |
| Aug 17, 9:45 PM CDT | Severe Thunderstorm Warning | GID | Fillmore | 25 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1987Every severe thunderstorm warning in 1987
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.